CN217223653U - Mobile hydraulic tensioning and positioning mechanism - Google Patents
Mobile hydraulic tensioning and positioning mechanism Download PDFInfo
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- CN217223653U CN217223653U CN202220508360.2U CN202220508360U CN217223653U CN 217223653 U CN217223653 U CN 217223653U CN 202220508360 U CN202220508360 U CN 202220508360U CN 217223653 U CN217223653 U CN 217223653U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
The utility model belongs to the technical field of tight location that rises, a portable hydraulic pressure tight positioning mechanism that rises is related to, including the fixing base, the horizontal direction of fixing base is equipped with the step hole that link up, and the vertical direction of fixing base is equipped with the through-hole that link up, and the through-hole communicates with each other with the step hole, is equipped with the locating lever in the step hole, and the step portion in step hole is equipped with the tight cover that rises that the cover was established in the locating lever outside; a first oil cylinder is arranged on the left side surface of the fixed seat; a piston rod of the first oil cylinder is positioned in the step hole and is connected with a positioning rod, and a supporting head is arranged at the other end of the positioning rod; a limiting rod is placed in the through hole, a groove and a vertical hole are formed in the upper end of the limiting rod, the groove is communicated with the vertical hole, and a joint is arranged in the groove; the positioning mechanism can stretch and retract to avoid the feeding and discharging track of the workpiece so as to adapt to the feeding and discharging mode of the workpiece; the expansion sleeve is prevented from moving along the horizontal direction through the arrangement of the end cover; the adjusting sheet is used for adjusting the position of the support head after extending, and the positioning precision of the clamp is ensured.
Description
Technical Field
The utility model belongs to the technical field of the location that rises, a portable hydraulic pressure rises and tightly fixes a position mechanism is related to.
Background
With the continuous development of the mechanical industry, the competition of the mechanical industry is intensified, so that the requirement on the precision of mechanical parts is higher and higher; more requirements are also put on processing clamps and machine tools; for some parts with complex shapes, sometimes, when a workpiece is loaded and unloaded, the workpiece interferes with a positioning point of the workpiece; for a workpiece fed by a truss or a roller way, the feeding direction of the workpiece is difficult to adjust or cannot be adjusted; in order to adapt to the existing workpiece feeding and discharging mode, a positioning mechanism on the clamp needs to be designed to be movable; when the workpiece is loaded and unloaded, the positioning mechanism retracts to avoid the loading and unloading track of the workpiece; after the workpiece is fed to the position, the positioning mechanism extends out to position the workpiece.
Disclosure of Invention
An object of the utility model is to provide a portable hydraulic pressure rises and tightly fixes a position mechanism can solve the difficult adjustment of material loading direction, perhaps the problem of unable adjustment.
According to the utility model provides a technical scheme: a movable hydraulic tensioning positioning mechanism comprises a fixed seat, wherein a through step hole is formed in the horizontal direction of the fixed seat, a through hole is formed in the vertical direction of the fixed seat and is communicated with the step hole, a positioning rod is arranged in the step hole, and a tensioning sleeve sleeved outside the positioning rod is arranged at the step part of the step hole; a first oil cylinder is arranged on the left side surface of the fixed seat; a piston rod of the first oil cylinder is positioned in the step hole and is connected with a positioning rod, and a supporting head is arranged at the other end of the positioning rod; a limiting rod is placed in the through hole, a groove and a vertical hole are formed in the upper end of the limiting rod, the groove is communicated with the vertical hole, a joint is arranged in the groove, and a second oil cylinder is mounted on the fixed seat; and a piston rod of the second oil cylinder penetrates through the vertical hole and is connected with the joint, and a spring is arranged between a boss at the lower part of the joint and the bottom of the vertical hole.
Preferably, an end cover sleeved outside the positioning rod is arranged on the right side face of the fixing seat.
Preferably, a trim plate is arranged between the positioning rod and the supporting head.
Preferably, a hydraulic joint is further arranged on the fixed seat.
Preferably, the bottom of the fixed seat is provided with a cover plate.
Preferably, a piston rod of the first oil cylinder is in threaded connection with the positioning rod; and a piston rod of the second oil cylinder is in threaded connection with the joint.
Preferably, the locating lever includes first linkage segment and the second linkage segment that sets gradually from a left side to the right side, and first linkage segment and second linkage segment are hollow structure, set up the step portion between first linkage segment and the second linkage segment.
Preferably, the lower end of the limiting rod is provided with an inclined surface matched with the first connecting section.
The positive progress effect of this application lies in:
the embodiment of the utility model provides a pair of portable hydraulic pressure rises and tightly fixes a position mechanism, the advantage as follows:
the positioning mechanism can stretch and retract to avoid the feeding and discharging track of the workpiece so as to adapt to the feeding and discharging mode of the workpiece; the expansion sleeve is prevented from moving along the horizontal direction through the arrangement of the end cover; the adjusting sheet is used for adjusting the position of the support head after extending out, so that the positioning precision of the clamp is ensured; the hydraulic joint is connected to the lower part of the fixed seat through threads; hydraulic oil can lead to the tensioning sleeve through the hydraulic connector, the hydraulic oil presses the tensioning sleeve to enable the tensioning sleeve to be elastically deformed, an inner hole of the tensioning sleeve is contracted to tightly hold the right part of the positioning rod, a gap between the tensioning sleeve and the positioning rod is eliminated, the positioning rod is prevented from swinging along the radial direction, and positioning accuracy is improved.
Drawings
Fig. 1 is a positioning state diagram of the present invention.
Fig. 2 is an avoiding state diagram of the present invention.
In the figure: a fixed seat 1; the first oil cylinder 2; a limiting rod 3; a spring 4; a joint 5; the second oil cylinder 6; a tensioning sleeve 7; an end cap 8; a positioning rod 9; a first connection section 91; a second connection section 92; an adjustment sheet 10; a support head 11; a hydraulic joint 12; and a cover plate 13.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model relates to a movable hydraulic tensioning positioning mechanism, which comprises a fixed seat 1, wherein a through step hole is arranged in the horizontal direction of the fixed seat 1, a through hole is arranged in the vertical direction of the fixed seat 1, the through hole is communicated with the step hole, a positioning rod 9 is arranged in the step hole, a tensioning sleeve 7 is arranged at the step part of the step hole and sleeved outside the positioning rod 9, the tensioning sleeve 7 is an elastic metal sleeve, and after pressure oil is introduced from the outside, the inner side of the tensioning sleeve 7 deforms and contracts to hold the positioning rod 9 tightly; a first oil cylinder 2 is arranged on the left side surface of the fixed seat 1; a piston rod of the first oil cylinder 2 is positioned in the step hole and is connected with a positioning rod 9, and a supporting head 11 is arranged at the other end of the positioning rod 9; a limiting rod 3 is placed in the through hole, a groove and a vertical hole are formed in the upper end of the limiting rod 3, the groove is communicated with the vertical hole, a joint 5 is arranged in the groove, and a second oil cylinder 6 is mounted on the fixed seat 1; and a piston rod of the second oil cylinder 6 penetrates through the vertical hole and is connected with the joint 5, and a spring 4 is arranged between a boss at the lower part of the joint 5 and the bottom of the vertical hole.
Preferably, an end cover 8 sleeved outside the positioning rod 9 is arranged on the right side surface of the fixing seat 1; the arrangement of the end cover 8 prevents the expansion sleeve 7 from moving along the horizontal direction.
Preferably, a regulating sheet 10 is arranged between the positioning rod 9 and the supporting head 11; the adjusting sheet 10 is used for adjusting the position of the support head 11 after extending, and the positioning precision of the clamp is ensured.
Preferably, a hydraulic joint 12 is further arranged on the fixed seat 1; the hydraulic joint 12 is connected to the lower part of the fixed seat 1 through threads; hydraulic oil can be led to the tensioning sleeve 7 via a hydraulic connection 12.
Preferably, the bottom of the fixed seat 1 is provided with a cover plate 13; the cover plate 13 is connected to the lower part of the fixing seat 1 through a screw, and foreign matters are prevented from entering the through hole in the vertical direction of the fixing seat 1.
Preferably, a piston rod of the first oil cylinder 2 is in threaded connection with a positioning rod 9; a piston rod of the second oil cylinder 6 is in threaded connection with the joint 5; and the screw connection mode is adopted, so that the connection and the disassembly between the parts are convenient.
Preferably, the positioning rod includes a first connecting section 91 and a second connecting section 92 sequentially arranged from left to right, the first connecting section 91 and the second connecting section 92 are both hollow structures, and a step portion is arranged between the first connecting section 91 and the second connecting section 92; the lower end of the limiting rod 3 is provided with an inclined plane matched with the first connecting section 91.
When a workpiece is placed on the clamp through a truss or a roller path line, a piston rod of the oil cylinder 2 extends rightwards to drive the positioning rod 9, the adjusting sheet 10 and the supporting head 11 to move rightwards; after a piston rod of the oil cylinder 2 extends in place, the piston rod of the oil cylinder 2 extends out, and the piston rod of the oil cylinder 2 downwards compresses the spring 4 through the joint 5 until the lower end face of the boss of the joint 5 contacts the end face of the groove of the limiting rod 3; a piston rod of the oil cylinder 2 continues to move downwards, the piston rod of the oil cylinder 2 pushes the limiting rod 3 to move downwards through the joint 5 until an inclined surface at the lower part of the limiting rod 3 is contacted with an inclined surface in the middle of the positioning rod 9, the inclined surface at the lower part of the limiting rod 3 tightly presses the inclined surface in the middle of the positioning rod 9, the axial position of the positioning rod 9 is locked, and the positioning rod 9 is prevented from axially retracting under the action of external force; after a piston rod of the oil cylinder 6 moves downwards to a proper position, pressure oil enters an external oil cavity of the tensioning sleeve 7 through the hydraulic joint 12, the hydraulic oil presses the tensioning sleeve 7 to enable the tensioning sleeve 7 to be elastically deformed, an inner hole of the tensioning sleeve 7 is contracted to tightly hold the right part of the positioning rod 9, a gap between the tensioning sleeve 7 and the positioning rod 9 is eliminated, and the positioning rod 9 is prevented from swinging along the radial direction; finishing the positioning of the workpiece; the clamp can then compress the workpiece; and after the pressing is finished, the machine tool starts to process the workpiece.
When the workpiece is machined, the pressing oil cylinder of the clamp is loosened; then, the mechanism retracts, and the workpiece can be freely blanked; when the mechanism retracts, hydraulic oil at the hydraulic joint 12 is decompressed, elastic deformation of the tensioning sleeve 7 disappears, the tensioning sleeve 7 recovers the original size, and the tensioning sleeve 7 loosens the positioning rod 9; then, the piston rod of the oil cylinder 6 retracts, the piston rod of the oil cylinder 6 drives the joint 5 to move upwards for a certain distance until the end face of the limiting rod 3 contacts the first connecting section 91, the joint 5 drives the limiting rod 3 to move upwards under the combined action of the inertia force of the joint 5 and the hydraulic pressure exerted on the joint 5 by the piston rod of the oil cylinder 6, and the limiting rod 3 releases the locking on the positioning rod 9; the piston rod of the oil cylinder 6 continues to retract until the end part of the limiting rod 3 is separated from the first connecting section 91; after the piston rod of the oil cylinder 6 retracts to the right, the piston rod of the oil cylinder 2 retracts, the piston rod of the oil cylinder 2 drives the positioning rod 9 to move leftwards, and the positioning rod 9 drives the adjusting sheet 10 and the supporting head 11 to move leftwards to separate from a workpiece.
The working principle is as follows: the device is a movable hydraulic tensioning and positioning mechanism. The piston rod of the oil cylinder 2 extends out to drive the positioning rod 9 to move in place. The axial self-locking of the positioning rod 9 is realized by extending a piston rod of the upper oil cylinder 6, and the radial swing of the positioning rod 9 is eliminated by the tensioning of the tensioning sleeve 7.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and scope of the invention, and such modifications and improvements are also considered to be within the scope of the invention.
Claims (8)
1. A movable hydraulic tensioning and positioning mechanism is characterized by comprising a fixed seat (1), wherein a through step hole is formed in the fixed seat (1) in the horizontal direction, a through hole is formed in the fixed seat (1) in the vertical direction and is communicated with the step hole, a positioning rod (9) is arranged in the step hole, and a tensioning sleeve (7) sleeved outside the positioning rod (9) is arranged at the step part of the step hole; a first oil cylinder (2) is arranged on the left side surface of the fixed seat (1); a piston rod of the first oil cylinder (2) is positioned in the step hole and is connected with a positioning rod (9), and a supporting head (11) is arranged at the other end of the positioning rod (9); a limiting rod (3) is placed in the through hole, a groove and a vertical hole are formed in the upper end of the limiting rod (3), the groove is communicated with the vertical hole, a connector (5) is arranged in the groove, and a second oil cylinder (6) is installed on the fixed seat (1); and a piston rod of the second oil cylinder (6) penetrates through the vertical hole and is connected with the joint (5), and a spring (4) is arranged between a boss at the lower part of the joint (5) and the bottom of the vertical hole.
2. The mobile hydraulic tensioning positioning mechanism as claimed in claim 1, wherein: an end cover (8) sleeved outside the positioning rod (9) is arranged on the right side face of the fixing seat (1).
3. The mobile hydraulic tensioning positioning mechanism as claimed in claim 1, wherein: an adjusting sheet (10) is arranged between the positioning rod (9) and the supporting head (11).
4. The mobile hydraulic tensioning positioning mechanism as claimed in claim 1, wherein: the fixed seat (1) is also provided with a hydraulic joint (12).
5. The mobile hydraulic tensioning positioning mechanism as claimed in claim 1, wherein: and a cover plate (13) is arranged at the bottom of the fixed seat (1).
6. The mobile hydraulic tensioning positioning mechanism as claimed in claim 1, wherein: a piston rod of the first oil cylinder (2) is in threaded connection with a positioning rod (9); and a piston rod of the second oil cylinder (6) is in threaded connection with the joint (5).
7. The mobile hydraulic tensioning and positioning mechanism as claimed in claim 1, wherein: the positioning rod (9) comprises a first connecting section (91) and a second connecting section (92) which are sequentially arranged from left to right, the first connecting section (91) and the second connecting section (92) are both hollow structures, and a step portion is arranged between the first connecting section (91) and the second connecting section (92).
8. The mobile hydraulic tensioning positioning mechanism as claimed in claim 7, wherein: the lower end of the limiting rod (3) is provided with an inclined plane matched with the first connecting section (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220508360.2U CN217223653U (en) | 2022-03-08 | 2022-03-08 | Mobile hydraulic tensioning and positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220508360.2U CN217223653U (en) | 2022-03-08 | 2022-03-08 | Mobile hydraulic tensioning and positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217223653U true CN217223653U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220508360.2U Active CN217223653U (en) | 2022-03-08 | 2022-03-08 | Mobile hydraulic tensioning and positioning mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN217223653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697855A (en) * | 2023-08-07 | 2023-09-05 | 吉林交通职业技术学院 | Head-display eyepiece measuring system and measuring method thereof |
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2022
- 2022-03-08 CN CN202220508360.2U patent/CN217223653U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697855A (en) * | 2023-08-07 | 2023-09-05 | 吉林交通职业技术学院 | Head-display eyepiece measuring system and measuring method thereof |
| CN116697855B (en) * | 2023-08-07 | 2023-10-20 | 吉林交通职业技术学院 | Head-display eyepiece measuring system and measuring method thereof |
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